Truck and Bus
Air Supply and Processing
Air Processing
Pressure Protection Valve
Governor and Unloader
Charging Valve
Pressure Relief Valve
System Saver 1200 & 1800
System Saver Twin Air Dryer
System Saver 1200Plus and HP
Electronically Controlled Air Dryer
Filtering Products
Coalescing Cartridge
Standard Cartridge
Air Storage
Drain Valve
Air Brake Systems
Anti-Lock Braking System (ABS)
ABS Electronic Control Unit (ECU)
ABS Cables
ABS Solenoid Modulator Valve
ABS Valve Package
Wheel Speed Sensors
Electronic Braking System (EBS)
EBS Truck Modulators
EBS Trailer Control Valve 
EBS Brake Signal Transmitter
EBS Proportional Relay Valve
EBS Solenoid Relay Valve
EBS Electronic Control Unit (ECU)
EBS Central Braking Unit
EBS Cables
Conventional Braking Components
3/2 Solenoid Valve
Check valve
Directional Control Valve
Exhaust Brake and Exhaust Pressure Modulator
Foot Brake Valve
Load Sensing Valve
Pressure Regulator Valve
Pressure Switch
Quick Release Valve
Relay Valve
Silencer
Trailer Control Valve
Tractor Protection Valve
Retarder Control
Retarder Valve
Exhaust Brake
Hydraulic Engine Brake
Exhaust Brake Control Unit
Parking Brakes
Hand Brake Valve
Push Pull Valve
Inversion Valve
Spring Brake Valve
Hydraulic Brake Systems
Electro Hydraulic Brakes
Hydraulic ABS Modulator
Hydraulic ABS HPB
Hydraulic ECU
Wheel Brakes
Air Disc Brakes
MAXX™ 22 (Heavy Duty)
MAXXUS™ (Heavy Duty - US version)
MAXX™ 19 (Medium Duty)
MAXX™ 17 (Light Duty)
PAN25™ (Special Applications)
PAN22™ (Heavy Duty)
PAN19™ (Medium Duty)
PAN17™ (Light Duty)
Brake Pads
Hydraulic Disc Brakes
Drum Brakes
Slack Adjusters
WABCO EasyFit™ Automatic Slack Adjuster
Brake Actuators
UNISTOP™ Service Brake Chamber
TRISTOP™ D Double Diaphragm Spring Brake Actuator
TRISTOP™ Spring Brake Actuator
Suspension Controls
OptiRide™ - Electronically Controlled Air Supsension (ECAS)
OptiRide™ Solenoid Valve
OptiRide™ Height Sensor
OptiRide™ Pressure Sensor
OptiRide™ Remote control
OptiRide™ Electronic Control Unit (ECU)
Conventional Air Suspension Control
Air Spring
Cabin Leveling Valve
Chassis Leveling Valve
Driveline Controls
Pneumatic Automated Manual Transmission (AMT)
Daimler Integrated AMT Repair Solutions
Volvo AMT Repair Solutions
Clutch Control
Pedal Unit
Pedal Unit
Pedal Unit
Master Cylinder
Manual Transmission
Clutch Servo
Retarder Control
Advanced Driver Assistance Systems
OnGuard™ - Forward Collision Mitigation
OnLaneALERT™ Lane Departure Warning
OnSide™ - Blind Spot Detection
TailGUARD™ - Rear Blind Spot Detection System
Retrofit Solutions
OnGuard™ - Forward Collision Mitigation
OnLaneALERT™ Lane Departure Warning
OnSide™ - Blind Spot Detection
TailGUARD™ - Rear Blind Spot Detection System
Trailer
Air Storage
Drain Valve
Air Brake Systems
Anti-Lock Braking System (ABS)
ABS Electronic Control Unit (ECU)
ABS Cables
Roll Stability Systems
Wheel Speed Sensors
Electronic Braking System (EBS)
EBS Trailer Modulators
EBS Trailer Relay Valve
EBS Cables
Conventional Braking Components
Hose Coupling
Load Sensing Valve
Park Release Emergency Valve
Relay Emergency Valve
Shut-off Cock
Spring Brake Control Valve
Trailer Release Valve
Brakes - Wheel End
Air Disc Brakes
MAXX™ 22T (Trailer)
PAN22™ (Heavy Duty)
PAN19™ (Medium Duty)
PAN17™ (Light Duty)
Brake Pads
Drum Brakes
WABCO EasyFit™ - Automatic SlackAdjuster
Brake Actuators
UNISTOP™ Service Brake Chamber
TRISTOP™ D Double Diaphragm Spring Brake Actuator
TRISTOP™ Spring Brake Actuator
Suspension Controls
Conventional Air Suspension Control
Air Spring
Chassis Leveling Valve
Lift Axle Valve
Rotary Slide Valve
Retrofit Solutions
Enhanced Easy-Stop™ Trailer ABS
OptiFlow™ - Aerodynamics
OptiFlow™ NoseFairings
OptiFlow™ TrailerSkirt™
OptiTire™ - Tire Pressure Monitoring System
OptiTire™ Electronic Control Unit (ECU)
OptiTire™ Sensors
OptiTire™ Accessories
OptiTire™ Cables
Roll Stability Support (RSS) 2M
SafeStart Sensor
TailGUARD™ - Rear Blind Spot Detection System
Off-Highway
Air Supply and Processing
Air Compressors
Compressor - Single Cylinder
Compressor - Twin Cylinder
Compressor Cylinder Head
Air Processing
Pressure Protection Valve
Governor and Unloader
Pressure Relief Valve
System Saver 1200 & 1800
System Saver Twin Air Dryer
System Saver 1200Plus and HP
Electronically Controlled Air Dryer
Filtering Products
Coalescing Cartridge
Standard Cartridge
Air Storage
Drain Valve
Pneumatic Brake Control Solutions
Anti-Lock Braking System (ABS)
ABS Electronic Control Unit (ECU)
ABS Solenoid Modulator Valve
Wheel Speed Sensors
Electronic Braking System (EBS)
EBS Trailer Control Valve 
EBS Cables
Conventional Braking Components
3/2 Solenoid Valve
Directional Control Valve
Foot Brake Valve
Pressure Regulator Valve
Pressure Switch
Relay Valve
Silencer
Trailer Control Valve
Parking Brakes
Hand Brake Valve
Trailer Brake Control Solutions
Tractor-Trailer Connection
Coupling Head
Duomatic Coupling
Conventional Braking Components
Load Sensing Valve
Relay Emergency Valve
Shut-off Cock
Trailer Release Valve
Brakes - Wheel End
Air Disc Brakes
MAXX™ 22 (Heavy Duty)
MAXXUS™ (Heavy Duty - US version)
Brake Pads
Hydraulic Disc Brakes
Caliper Disc Brake
Multiple Disc Brake
Drum Brakes
WABCO EasyFit™ Automatic Slack Adjuster
Brake Actuators
UNISTOP™ Service Brake Chamber
TRISTOP™ D Double Diaphragm Spring Brake Actuator
TRISTOP™ Spring Brake Actuator
Clutch Control
Pedal Unit
Master Cylinder
Manual Transmission
Clutch Servo
Climate Control
Retrofit Solutions
MICO® Brake Locks
Car
Electronically Controlled Air Suspension (ECAS)
Air Reservoir (ECAS)
Air Suspension Compressor
Electronic Control Unit (ECU)
Solenoid Valve Blocks
Vacuum Pump
Services and Support

Single-Cylinder compressor, flange mounted

Single-Cylinder compressor, flange mounted
Single-Cylinder compressor, flange mounted
Single-Cylinder compressor, flange mounted
Single-Cylinder compressor, flange mounted
Single-Cylinder compressor, flange mounted
Twin-Cyl.Compressor 704cc,flangemounted
Part Number::
9121250000
Gross Unit Price: 0.00
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Features and Benefits

  • Brand
    WABCO
  • Part type
    Premium original quality
  • Product category
    Device
  • Calculated Volume (dm³)
    10.5853
  • Cooling
    Water
  • Crankshaft thread
    M18 x 1.5
  • Lubrication
    Lubrication supplied from engine
  • Max. operating pressure
    174 psi
  • Mounting
    Mounting Flange
  • Operating speed
    3000 (1/min)
  • Piston diameter
    3.35 in
  • Piston stroke
    1.65 in
  • Port thread 0
    3/4" - 14 NPTF
  • Port thread 2
    3/4" - 14 NPTF
  • Port thread 8.1
    M10 x 1
  • Port thread 9
    2x 1/2" - 14 NPTF
  • Swept volume (cm³)
    238 cm3
  • Technical specification
    OE specification
  • Type
    Single Cylinder
  • Type of operation
    High pressure using unloader
  • GTIN
    7895851032880
  • Size (mm x mm x mm)
    303 x 255 x 137
  • UPC
    193133447382
  • Weight (kg)
    14.012
  • Weight (lb)
    30.8911
Replaces
  • EVOBUS
    A4571300515
  • FREIGHTLINER
    TDAS9121250000
  • JOHN DEERE
    RE183135
  • KENWORTH
    S9121250000
  • MACK
    6300-9121250000
  • MERITOR
    S9121250000
  • PETERBILT
    S9121250000
  • VALTRA
    86924700
  • VOLVO
    WAB9121250000
Documents
Name
outline drawing (doc 005)
Doc Type
drawing
Locale
multi
Artical Number
9121250000_-_605_c_01
Name
North America Service Parts Catalog
Doc Type
catalog
Locale
en
Artical Number
pb19028
Name
WABCO Product Catalogue
Doc Type
catalog
Locale
en
Artical Number
wabco_product-catalogue
Name
Test Instructions for Compressors
Doc Type
repair_test_instructions
Locale
en
Artical Number
91200095

Service & Repair

List of Spare Parts
1 Crankcase 1
2 Bushing 1
3 Crank Shaft 1
4 Adapter 1
5 Snap Ring 1
6 Cover 1 8950723004 
7 Upper part of the connection rod 1 4111519262 
8 Piston 1 4111519262  9115016252 
9 Connecting Rod, lower part 1 4111519262 
10 Cheese Head Screw ISO14580-M6x35 2 4111519262  8912019294 
11 Cap 1 4111519262  8950735894 
12 Gasket 1 9121259202 
13 Suction leaf 1 9121259202 
14 Slotted Spring Pin DIN7346-10x24 1
15 Slotted grub screw 2
16 Cylinder Head 1
17 Pressure valve 1 4111515002 
18 Hexagon nut ISO4161-M5 1
19 Gasket 1 9121259202 
20 Cover 1
21 Plate 1 9111531004 
22 Hexagon flange bolt DIN6921-M5x13 2
23 Cheese head screw ISO14580-M6x60 1 9121259202 
24 Hexagon Flange Bolt ISO4162-M8x80 4 9121259202  8912119994 
25 Sealing ring DIN7603-A10x14 2 9121259202  8114010274 
26 Hexagon socket pipe plug DIN908-M10x1 2